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  • Carbs syncronizeing

    where can i get set of vacuum gauges to so i can sync my carbs? do i really need 4 gauges or can i set up 2 carbs at a time?
    1980 Yamaha XS1100LG Midnight Special

  • #2
    If you have the money for it I suggest getting the carbtune. Very easy, no messing around with celebrating gauges or anything like that. Best motorcycle tool investment in my mind.

    http://www.carbtune.com/

    If you really want vac gauges, most by them off ebay.

    4 gauge setup makes it easier and faster, and just gives better accuracy. Some people pull it off with just a single gauge though.
    Nathan
    KD9ARL

    μολὼν λαβέ

    1978 XS1100E
    K&N Filter
    #45 pilot Jet, #137.5 Main Jet
    OEM Exhaust
    ATK Fork Brace
    LED Dash lights
    Ammeter, Oil Pressure, Oil Temp, and Volt Meters

    Green Monster Coils
    SS Brake Lines
    Vision 550 Auto Tensioner

    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

    Theodore Roosevelt

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    • #3
      Originally posted by natemoen View Post
      If you have the money for it I suggest getting the carbtune. Very easy, no messing around with celebrating gauges or anything like that. Best motorcycle tool investment in my mind.

      http://www.carbtune.com/

      If you really want vac gauges, most by them off ebay.

      4 gauge setup makes it easier and faster, and just gives better accuracy. Some people pull it off with just a single gauge though.
      thanks i will have a look
      1980 Yamaha XS1100LG Midnight Special

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      • #4
        thats pretty cheap i can get the carbtune pro 4-coloumn and pouch for about $84 CAD to my door thats not bad. thanks alot i will most likely buy one of these. i do alot of snowmobile engines as well i can use this for everything
        1980 Yamaha XS1100LG Midnight Special

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        • #5
          For years I used the plenum setup in the tech tips. Only I could never find an aquarium valve that worked for crap, so I just moved the tube from one carb to another back and forth till I got consistant readings. I also used my Mity-vac as the vacuum gage.

          It worked pretty well, got good results, and the bike ran and sounded good. Then I got a little spendy and decided to pony up for the carbtune setup. I can now tell you that it does cut the time in half or less. I do hear an improvement in the accuracy of the synch. Not sure I would say the performance of the bike is noticably different, except at idle. But I do hear it idle smoother.
          Life is what happens while your planning everything else!

          When your work speaks for itself, don't interrupt.

          81 XS1100 Special - Humpty Dumpty
          80 XS1100 Special - Project Resurrection


          Previously owned
          93 GSX600F
          80 XS1100 Special - Ruby
          81 XS1100 Special
          81 CB750 C
          80 CB750 C
          78 XS750

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          • #6
            Originally posted by captjanes View Post
            thats pretty cheap i can get the carbtune pro 4-coloumn and pouch for about $84 CAD to my door thats not bad. thanks alot i will most likely buy one of these. i do alot of snowmobile engines as well i can use this for everything
            I think that's the first time I've ever heard anyone happy about the price of that device! I do agree though, it's a very nice system. Simple, compact and portable. Definitely get the case for it though.
            1980 XS850SG - Sold
            1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
            Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
            Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

            Whether you think you can, or you think you cannot - You're right.
            -H. Ford

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            • #7
              This is the set of gauges I got except they all came on one mount. They work pretty well.
              Nate

              78 XS11 "Matilda" 2H7 000364

              2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
              Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
              Shinko 712s, HID Headlight, RC Performance Exhaust
              Bikemaster Daytona Handlebars, Galfer SS Brake Lines
              Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
              K+N Air Filter

              88 Voyager XII
              81 XJ650 Maxim

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              • #8
                These need new hoses but the price is right..... http://www.ebay.com/itm/Carburetor-S...913187&vxp=mtr
                Greg

                Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                ― Albert Einstein

                80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                The list changes.

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                • #9
                  Originally posted by captjanes View Post
                  thats pretty cheap i can get the carbtune pro 4-coloumn and pouch for about $84 CAD to my door thats not bad. thanks alot i will most likely buy one of these. i do alot of snowmobile engines as well i can use this for everything
                  Do not be scared to use their bundle package where you can also get the Colortune with it for about $105 Canuck bucks total. Oh yeah and delivery was 9 days from the UK to my door. That is faster than USPS form the states.
                  2-79 XS1100 SF
                  2-78 XS1100 E Best bike Ever
                  80 XS 1100 SG Big bore kit but not fully running yet.
                  Couple of more parts bikes of which 2 more will live!

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                  • #10
                    I use your run of the mill JC Craply Vacuum gauge set. About 40 bucks sent to the door. (At least it did a few years ago) Can be used on any application that needs vacuum gauges, from 2-4 carbs, all carbed bikes, multi carbed cars, etc....Can even be used as a drunkards game of "Who has better lung power"
                    S.R.Czekus

                    1-Project SG (Ugly Rat Bike)(URB)
                    1-big XS patch
                    1-small XS/XJ patch
                    1-XS/XJ owners pin.
                    1-really cool XS/XJ owners sticker on my helmet.
                    2-2005 XS rally T-shirts, (Bean Blossom, In)
                    1-XVS1300C Yamaha Stryker Custom (Mosquito)
                    1-VN900C Kawasaki Custom (Jelly Bean)

                    Just do it !!!!!

                    Comment


                    • #11
                      Originally posted by Czekus21 View Post
                      I use your run of the mill JC Craply Vacuum gauge set. About 40 bucks sent to the door. (At least it did a few years ago) Can be used on any application that needs vacuum gauges, from 2-4 carbs, all carbed bikes, multi carbed cars, etc....Can even be used as a drunkards game of "Who has better lung power"
                      I'm not sure I would want to be part of a game to see who sucks......or blows the best.

                      I have a set just like I posted the link to. I synced my carbs with a set of carbtunes and it ran like crap until I resynced with my guages.

                      I've never seen a Colortune work on these bikes, not with stock coils anyway. All I've ever seen it do is cause a misfire on the cylinder it's hooked to.

                      I've always used the vacuum guages to set my idle mixture.
                      Greg

                      Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                      ― Albert Einstein

                      80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                      The list changes.

                      Comment

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